Prestashop Module Image Slider position error

I installed Prestashop Image Slider Module and wanted to place it at the top of the page just after the main horizontal navigation menu but it doesn't want to go to the top of the page. The positions available for this module are: displayHome, displayTop, displayTopColumn and Header. I placed it in Header and displayTopColumn in the first position for both. But it is not placed where I want. I even tried to change the module but still the same thing. Is there a way to fix this without touching the code because I'm sure there is a problem with positions? By the way I have another module which appears at the top of the page just after the main menu and this is where I want to place my slider. My slider appears just after this module. Here's what it looks like now on the web site. (e-commerce)